Renal Drugs

Renal System

Composed of the kidneys and represents a major route to eliminate
drugs
Produces hormones and regulates body fluid and electrolyte balance

Gout

A disease characterized by overproduction or insufficient elimination of
uric acid within the body that will crystallize in the joints and cause pain
and inflammation

Electrolytes

Salts which are dissolved in body fluids and are necessary in proper
concentration to maintain normal body functions

Uses

Replacement of depleted salts

Side Effects

Stomach upset
Constipation
� Diarrhea

Examples

Ammonium
� Bicarbonate
� Calcium
� Chloride
� Magnesium
� Phosphate
� Potassium
� Sodium

Therapeutic Classes
Diuretics

Uses
� Congestive heart failure
� Hypertension
� Fluid retention

Mechanism of Action

Alter the body's electrolyte pattern by prohibiting or enhancing excretion
of electrolytes.
NOTE: Most diuretics increase potassium excretion. This can be
corrected by eating high-potassium foods (bananas, orange juice), or
taking a potassium sparing diur

Thiazide and Related Diuretics

Use
Reduce blood pressure
Mechanism of Action
Causes kidney to secrete more, decreases water retention, decreased
blood pressure

Side Effects

� Increased urination
� Weakness
� Muscle cramps
� Stomach upset
� Dizziness

Hydrochlorothiazide

(Hydrodiuril�) - Legend Drug

Chlorothiazide

(Diuril�) - Legend Drug

Indapamide

(Lozol�) - Legend Drug

Metolazone

(Zaroxolyn�) - Legend Drug

Loop Diuretics

Use
� Congestive Heart Failure
� Potent diuretic

Side Effects

� Increased urination
� Weakness
� Muscle cramps
� Stomach upset
�Dizziness

Furosemide

(Lasix�) - Legend Drug

Bumetanide

(Bumex�) - Legend Drug

Ethacrynic acid

(Edecrin�) - Legend Drug

Torsemide

(Demadex�) - Legend Drug

Potassium Sparing Diuretics

Use
� Congestive Heart Failure
� Weak diuretics, often used in combination with other diuretics
� No potassium supplement needed

Side Effects

� Increased urination
� Weakness
� Muscle cramps
� Stomach upset
� Dizziness

Spironolactone

(Aldactone�) - Legend Drug

Triamterene

(Dyrenium�) - Legend Drug

Amiloride

(Midamor�) - Legend Drug

Amiloride + HCTZ

(Moduretic�) - Legend Drug

Triamterene + HCTZ

(Maxzide, Dyazide�) - Legend Drug

Spironolactone + HCTZ

(Aldactazide�) - Legend Drug

Osmotic Diuretics

Use
To produce an intense diuresis in a hospital setting
Mechanism of Action
Pull water out of the body and into the kidneys

Examples:

� Mannitol - Legend Drug
� Solutions of mannitol may crystallize when exposed to low
temperatures.
If crystals are observed, the container should be warmed by
appropriate means to not greater than 60�C (140�F), shaken,
then cooled to body temperature befo

Gout Agents

Uses
Prevention and treatment of gout attacks
Mechanism of Action
Enhance the excretion of uric acid

Side Effect

Rash, Kidney Stones

Allopurinol

(Zyloprim) - Legend Drug

Probenecid

(Benemid) - Legend Drug

Other Gout Agents

Use
Drug of choice for acute attacks
Mechanism of Action
Reduces the pain and swelling of gouty flares

Side Effect

Gastrointestinal complaints

Colchicine

- Legend Drug

Renal System

Composed of the kidneys and represents a major route to eliminate
drugs
Produces hormones and regulates body fluid and electrolyte balance

Gout

A disease characterized by overproduction or insufficient elimination of
uric acid within the body that will crystallize in the joints and cause pain
and inflammation

Electrolytes

Salts which are dissolved in body fluids and are necessary in proper
concentration to maintain normal body functions

Uses

Replacement of depleted salts

Side Effects

Stomach upset
Constipation
� Diarrhea

Examples

Ammonium
� Bicarbonate
� Calcium
� Chloride
� Magnesium
� Phosphate
� Potassium
� Sodium

Therapeutic Classes
Diuretics

Uses
� Congestive heart failure
� Hypertension
� Fluid retention

Mechanism of Action

Alter the body's electrolyte pattern by prohibiting or enhancing excretion
of electrolytes.
NOTE: Most diuretics increase potassium excretion. This can be
corrected by eating high-potassium foods (bananas, orange juice), or
taking a potassium sparing diur

Thiazide and Related Diuretics

Use
Reduce blood pressure
Mechanism of Action
Causes kidney to secrete more, decreases water retention, decreased
blood pressure

Side Effects

� Increased urination
� Weakness
� Muscle cramps
� Stomach upset
� Dizziness

Hydrochlorothiazide

(Hydrodiuril�) - Legend Drug

Chlorothiazide

(Diuril�) - Legend Drug

Indapamide

(Lozol�) - Legend Drug

Metolazone

(Zaroxolyn�) - Legend Drug

Loop Diuretics

Use
� Congestive Heart Failure
� Potent diuretic

Side Effects

� Increased urination
� Weakness
� Muscle cramps
� Stomach upset
�Dizziness

Furosemide

(Lasix�) - Legend Drug

Bumetanide

(Bumex�) - Legend Drug

Ethacrynic acid

(Edecrin�) - Legend Drug

Torsemide

(Demadex�) - Legend Drug

Potassium Sparing Diuretics

Use
� Congestive Heart Failure
� Weak diuretics, often used in combination with other diuretics
� No potassium supplement needed

Side Effects

� Increased urination
� Weakness
� Muscle cramps
� Stomach upset
� Dizziness

Spironolactone

(Aldactone�) - Legend Drug

Triamterene

(Dyrenium�) - Legend Drug

Amiloride

(Midamor�) - Legend Drug

Amiloride + HCTZ

(Moduretic�) - Legend Drug

Triamterene + HCTZ

(Maxzide, Dyazide�) - Legend Drug

Spironolactone + HCTZ

(Aldactazide�) - Legend Drug

Osmotic Diuretics

Use
To produce an intense diuresis in a hospital setting
Mechanism of Action
Pull water out of the body and into the kidneys

Examples:

� Mannitol - Legend Drug
� Solutions of mannitol may crystallize when exposed to low
temperatures.
If crystals are observed, the container should be warmed by
appropriate means to not greater than 60�C (140�F), shaken,
then cooled to body temperature befo

Gout Agents

Uses
Prevention and treatment of gout attacks
Mechanism of Action
Enhance the excretion of uric acid

Side Effect

Rash, Kidney Stones

Allopurinol

(Zyloprim) - Legend Drug

Probenecid

(Benemid) - Legend Drug

Other Gout Agents

Use
Drug of choice for acute attacks
Mechanism of Action
Reduces the pain and swelling of gouty flares

Side Effect

Gastrointestinal complaints

Colchicine

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